vtkGenericOpenGLRenderWindow.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkGenericOpenGLRenderWindow_h
#define vtkGenericOpenGLRenderWindow_h
 
#include "vtkOpenGLRenderWindow.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGOPENGL2_EXPORT vtkGenericOpenGLRenderWindow : public vtkOpenGLRenderWindow
{
public:
  static vtkGenericOpenGLRenderWindow* New();
  vtkTypeMacro(vtkGenericOpenGLRenderWindow, vtkOpenGLRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkGenericOpenGLRenderWindow();
  ~vtkGenericOpenGLRenderWindow() override;
 
public:
  void Finalize() override;

  void Frame() override;

  void MakeCurrent() override;

  bool IsCurrent() override;

  int SupportsOpenGL() override;

  vtkTypeBool IsDirect() override;
 
  // {@
  void SetFrontLeftBuffer(unsigned int);
  void SetFrontRightBuffer(unsigned int);
  void SetBackLeftBuffer(unsigned int);
  void SetBackRightBuffer(unsigned int);
  // }@
 
  void SetOwnContext(vtkTypeBool);

  void PushState() {}
  void PopState() {}
 
  // {@
  void SetWindowId(void*) override;
  void* GetGenericWindowId() override;
  void SetDisplayId(void*) override;
  void SetParentId(void*) override;
  void* GetGenericDisplayId() override;
  void* GetGenericParentId() override;
  void* GetGenericContext() override;
  void* GetGenericDrawable() override;
  void SetWindowInfo(const char*) override;
  void SetParentInfo(const char*) override;
  int* GetScreenSize() VTK_SIZEHINT(2) override;
  void HideCursor() override;
  void ShowCursor() override;
  void SetFullScreen(vtkTypeBool) override;
  void WindowRemap() override;
  vtkTypeBool GetEventPending() override;
  void SetNextWindowId(void*) override;
  void SetNextWindowInfo(const char*) override;
  void CreateAWindow() override;
  void DestroyWindow() override;
  // }@


  void SetIsDirect(vtkTypeBool newValue);
  void SetSupportsOpenGL(int newValue);
  void SetIsCurrent(bool newValue);

  void Render() override;

  float GetMaximumHardwareLineWidth() override;


  vtkSetClampMacro(ForceMaximumHardwareLineWidth, float, 0, VTK_FLOAT_MAX);
  vtkGetMacro(ForceMaximumHardwareLineWidth, float);


  vtkSetMacro(ReadyForRendering, bool);
  vtkGetMacro(ReadyForRendering, bool);

  vtkSetVector2Macro(ScreenSize, int);

  void SetCurrentCursor(int cShape) override;
 
  // since we are using an external context it must
  // specify if the window is mapped or not.
  vtkSetMacro(Mapped, vtkTypeBool);

  void OpenGLInit() override;
 
protected:
  int ReadPixels(
    const vtkRecti& rect, int front, int glFormat, int glType, void* data, int right) override;
 
  int SetPixelData(
    int x1, int y1, int x2, int y2, unsigned char* data, int front, int right) override;
  int SetPixelData(
    int x1, int y1, int x2, int y2, vtkUnsignedCharArray* data, int front, int right) override;
  int SetRGBACharPixelData(
    int x1, int y1, int x2, int y2, unsigned char* data, int front, int blend, int right) override;
  int SetRGBACharPixelData(int x, int y, int x2, int y2, vtkUnsignedCharArray* data, int front,
    int blend = 0, int right = 0) override;
 
  int DirectStatus;
  int SupportsOpenGLStatus;
  bool CurrentStatus;
  float ForceMaximumHardwareLineWidth;
  bool ReadyForRendering;
 
private:
  vtkGenericOpenGLRenderWindow(const vtkGenericOpenGLRenderWindow&) = delete;
  void operator=(const vtkGenericOpenGLRenderWindow&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif